Games like PicoTrains
Games like PicoTrains include Transport Fever 2, Cookie Clicker, Mini Motorways, Mini Metro, and Cities: Skylines. We matched them by the tags players give PicoTrains on Steam (Casual, Strategy, Trains, Transportation, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Transport Fever 2
Shared: Strategy · Transportation · Trains

Cookie Clicker
Shared: Casual · Pixel Graphics · Management

Mini Motorways
Shared: Strategy · Casual · Management

Mini Metro
Shared: Strategy · Trains · Casual

Cities: Skylines
Shared: Strategy · Management · Singleplayer

Game Dev Tycoon
Shared: Strategy · Casual · Management

Cities: Skylines II
Shared: Strategy · Management · Singleplayer

Transport Fever 3
Shared: Transportation · Casual · Strategy

Factorio
Shared: Strategy · Resource Management · Management

DAVE THE DIVER
Shared: Casual · Pixel Graphics · Management

Train Fever
Shared: Trains · Strategy · Management

Railway Empire
Shared: Strategy · Trains · Management

Project Highrise
Shared: Strategy · Management · Casual

Shelldiver
Shared: Casual · Management · Resource Management

Startup Company
Shared: Strategy · Casual · Management

SimAirport
Shared: Casual · Management · Strategy

Transport INC
Shared: Casual · Transportation · Management

Tiny Rails
Shared: Trains · Transportation · Pixel Graphics

Oxygen Not Included
Shared: Resource Management · Management · Strategy

(the) Gnorp Apologue
Shared: Strategy · Management · Casual

Planet Coaster
Shared: Management · Strategy · Singleplayer

Jurassic World Evolution
Shared: Strategy · Management · Singleplayer

Sid Meier's Railroads!
Shared: Strategy · Trains · Management

Mad Games Tycoon
Shared: Strategy · Casual · Management